PubertyPuberty, PrecociousPuberty, DelayedFrozen SectionsParaffin EmbeddingTissue FixationFormaldehydeSexual MaturationTissue BanksFreezingFixativesTissue PreservationParaffinImmunoenzyme TechniquesMicrotomyImmunohistochemistrySpecimen HandlingCryopreservationMicrodissectionAntibodies, MonoclonalStaining and LabelingAntigens, NeoplasmFluorescent Antibody TechniquePalatine TonsilGene Expression ProfilingGonadotropin-Releasing HormoneTumor Markers, BiologicalKisspeptinsReverse Transcriptase Polymerase Chain ReactionPolymerase Chain ReactionAge Determination by SkeletonLuteinizing HormoneDNA, NeoplasmHistocytochemistryOligonucleotide Array Sequence AnalysisReproducibility of ResultsLasersRNA, MessengerTestosteroneBreast NeoplasmsSensitivity and SpecificityBiopsyRNALymph NodesBody HeightSwineLymphomaAntigens, SurfaceReproductionIn Situ Hybridization, FluorescenceBody WeightTestisCarcinomaEstrusTime FactorsHypogonadismAdenocarcinomaBlotting, WesternNeoplasm ProteinsEpitopesGrowth DisordersPrognosisFollicle Stimulating HormoneOvaryBrainEstradiolBiological MarkersGonadotropinsGrowthHypothalamic DiseasesAdolescent DevelopmentSex CharacteristicsBase SequenceAge FactorsOvulationAgingGene Expression Regulation, NeoplasticSexual DevelopmentAdrenarcheFertilityMolecular Sequence DataNeurosecretory SystemsWeaningHypothalamusFibrous Dysplasia, PolyostoticGonadal HormonesNeurokinin BGrowth HormoneDrug ImplantsCattleGonadal Steroid HormonesPregnancyTurner SyndromeTriptorelin PamoateProgesteroneBone DevelopmentGonadotropins, PituitaryOrgan SizeEstrus DetectionScrotum